authn: Use new is_headers_auth function.

rhodecode/authentication/base.py

@@ -220,6 +220,7 b' class RhodeCodeAuthPluginBase(object):'
         """
         raise NotImplementedError("Not implemented in base class")
 
+    @property
     def is_headers_auth(self):
         """
         Returns True if this authentication plugin uses HTTP headers as

rhodecode/authentication/plugins/auth_headers.py

@@ -105,8 +105,8 b' class RhodeCodeAuthPlugin(RhodeCodeExter'
     def name(self):
         return 'headers'
 
-    @hybrid_property
-    def is_container_auth(self):
+    @property
+    def is_headers_auth(self):
         return True
 
     def use_fake_password(self):

rhodecode/authentication/plugins/auth_jasig_cas.py

@@ -96,8 +96,8 b' class RhodeCodeAuthPlugin(RhodeCodeExter'
     def name(self):
         return "jasig-cas"
 
-    @hybrid_property
-    def is_container_auth(self):
+    @property
+    def is_headers_auth(self):
         return True
 
     def use_fake_password(self):